98 toyota corolla radio, dome light, and power locks don't work

check the fuses again, sometimes they blow right after you install them.
there may be a short in the wiring causing them to pop.
check fuses again and let me know

dont think you can if its a factory system

leave the fuse in have someone disconnect old alarm
and get a new one. is gonna be more expensive to purchase
the remote than to get a new alarm.
(California of coors).

Check the owners manual for the fuse box location. Look to see if a fuse is blown. The same fuse may or may not control radio, dome light and alarm.

Sorry. The clock, the dome light and the radio are on the same circuit. If the radio works, the clock is bad.

change the fuse AUX.

Check your cigarette lighter/aux power port it may be on the same circuit as the clock. If the fuse is OK then it is likely an internal issue with the clock itself. This is a very common problem with several clocks. I offer a repair service that has a lifetime guarantee and is several hundred dollars cheaper than buying a new clock (that will also eventually fail).
Check it out www.autoclockrepair.com

I would remove the dome light, and disconnect the wiring connector, and then put in another fuse. If it does not blow, I would think that the dome light switch is shorted to ground.

There are two fuses that power the radio. The 15 amp CIG fuse and the 15 amp DOME fuse.
AT the radio connector, you should have 12 volt power in the GREY wire (this is the main power from the CIG fuse) and 12 volt power in the BLUE with YELLOW tracer (this is memory power from the DOME fuse). If you have power in botrh of these circuits, suspect the radio being bad.

could you give me more info plz